Pr/avatar (#319)

* feat: add avatar api
close #310

* chore: add description line

* fix: typo

* chore: reformat the json string to make it more readable and fix few bad indents

* fix: minimum go version

* feat: upload to Micro's CDN

* chore: delete redundant blank line

* chore: update README.md

avatar/.gitignore

@@ -0,0 +1,2 @@
+
+avatar

avatar/Dockerfile

@@ -0,0 +1,3 @@
+FROM alpine
+ADD avatar /avatar
+ENTRYPOINT [ "/avatar" ]

avatar/Makefile

@@ -0,0 +1,28 @@
+
+GOPATH:=$(shell go env GOPATH)
+.PHONY: init
+init:
+	go get -u github.com/golang/protobuf/proto
+	go get -u github.com/golang/protobuf/protoc-gen-go
+	go get github.com/micro/micro/v3/cmd/protoc-gen-micro
+	go get github.com/micro/micro/v3/cmd/protoc-gen-openapi
+
+.PHONY: api
+api:
+	protoc --openapi_out=. --proto_path=. proto/avatar.proto
+
+.PHONY: proto
+proto:
+	protoc --proto_path=. --micro_out=. --go_out=:. proto/avatar.proto
+	
+.PHONY: build
+build:
+	go build -o avatar *.go
+
+.PHONY: test
+test:
+	go test -v ./... -cover
+
+.PHONY: docker
+docker:
+	docker build . -t avatar:latest

avatar/README.md

@@ -0,0 +1,6 @@
+Generate an avatar
+
+# Avatar Service
+
+Generate a unique avatar for your user profiles, 
+NFT crypto punks and much more.

avatar/generate.go

@@ -0,0 +1,3 @@
+package main
+
+//go:generate make proto

avatar/handler/avatar.go

@@ -0,0 +1,98 @@
+package handler
+
+import (
+	"bytes"
+	"context"
+	"encoding/base64"
+	"fmt"
+	"image"
+	"image/jpeg"
+	"image/png"
+
+	"github.com/google/uuid"
+	"github.com/micro/micro/v3/service/errors"
+	"github.com/o1egl/govatar"
+
+	pb "github.com/micro/services/avatar/proto"
+	imagePb "github.com/micro/services/image/proto"
+)
+
+type avatar struct {
+	imageSvc imagePb.ImageService
+}
+
+func NewAvatar(service imagePb.ImageService) *avatar {
+	return &avatar{
+		imageSvc: service,
+	}
+}
+
+// Generate is used to generate a avatar
+func (e *avatar) Generate(ctx context.Context, req *pb.GenerateRequest, rsp *pb.GenerateResponse) error {
+	var gender govatar.Gender
+
+	// gender, default is `male`
+	if req.Gender == "male" {
+		gender = govatar.MALE
+	} else if req.Gender == "female" {
+		gender = govatar.FEMALE
+	} else {
+		gender = govatar.MALE
+	}
+
+	// generate avatar
+	var avatarImg image.Image
+	var err error
+
+	if req.Username == "" {
+		avatarImg, err = govatar.Generate(gender)
+	} else {
+		avatarImg, err = govatar.GenerateForUsername(gender, req.Username)
+	}
+	if err != nil {
+		return errors.InternalServerError("avatar.generate", "generate avatarImg error: %v", err)
+	}
+
+	// format avatar image, default is `jpeg`
+	format := req.Format
+	if format != "png" && format != "jpeg" {
+		format = "jpeg"
+	}
+
+	buf := bytes.NewBuffer(nil)
+	if format == "png" {
+		err = png.Encode(buf, avatarImg)
+	} else {
+		err = jpeg.Encode(buf, avatarImg, nil)
+	}
+	if err != nil {
+		return errors.InternalServerError("avatar.generate", "encode avatar image error: %v", err)
+	}
+
+	base64String := fmt.Sprintf("data:image/%s;base64,%s", format, base64.StdEncoding.EncodeToString(buf.Bytes()))
+
+	if !req.Upload {
+		rsp.Base64 = base64String
+		return nil
+	}
+
+	// upload to CDN
+	name := req.Username
+	if name == "" {
+		uid, _ := uuid.NewUUID()
+		name = uid.String()
+	}
+
+	uploadResp, err := e.imageSvc.Upload(ctx, &imagePb.UploadRequest{
+		Base64: base64String,
+		Name:   fmt.Sprintf("%s.%s", name, format),
+	})
+
+	if err != nil {
+		return errors.InternalServerError("avatar.generate", "upload avatar image error: %v", err)
+	}
+
+	rsp.Url = uploadResp.Url
+
+	return nil
+}

avatar/main.go

@@ -0,0 +1,27 @@
+package main
+
+import (
+	"github.com/micro/services/avatar/handler"
+	pb "github.com/micro/services/avatar/proto"
+	imagePb "github.com/micro/services/image/proto"
+
+	"github.com/micro/micro/v3/service"
+	"github.com/micro/micro/v3/service/logger"
+)
+
+func main() {
+	// Create service
+	srv := service.New(
+		service.Name("avatar"),
+		service.Version("latest"),
+	)
+
+	// Register handler
+	hdlr := handler.NewAvatar(imagePb.NewImageService("image", srv.Client()))
+	pb.RegisterAvatarHandler(srv.Server(), hdlr)
+
+	// Run service
+	if err := srv.Run(); err != nil {
+		logger.Fatal(err)
+	}
+}

avatar/micro.mu

@@ -0,0 +1 @@
+service avatar

avatar/proto/avatar.pb.go

@@ -0,0 +1,259 @@
+// Code generated by protoc-gen-go. DO NOT EDIT.
+// versions:
+// 	protoc-gen-go v1.27.1
+// 	protoc        v3.19.1
+// source: proto/avatar.proto
+
+package avatar
+
+import (
+	protoreflect "google.golang.org/protobuf/reflect/protoreflect"
+	protoimpl "google.golang.org/protobuf/runtime/protoimpl"
+	reflect "reflect"
+	sync "sync"
+)
+
+const (
+	// Verify that this generated code is sufficiently up-to-date.
+	_ = protoimpl.EnforceVersion(20 - protoimpl.MinVersion)
+	// Verify that runtime/protoimpl is sufficiently up-to-date.
+	_ = protoimpl.EnforceVersion(protoimpl.MaxVersion - 20)
+)
+
+type GenerateRequest struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	// avatar's gender, `male` or `female`, default is `male`
+	Gender string `protobuf:"bytes,1,opt,name=gender,proto3" json:"gender,omitempty"`
+	// avatar's username, unique username will generates the unique avatar;
+	// if username == "", will generate a random avatar in every request
+	// if upload == true, username will be used as CDN filename
+	Username string `protobuf:"bytes,2,opt,name=username,proto3" json:"username,omitempty"`
+	// encode format of avatar image, `png` or `jpeg`, default is `jpeg`
+	Format string `protobuf:"bytes,3,opt,name=format,proto3" json:"format,omitempty"`
+	// if upload to m3o CDN, default is `false`
+	// if update = true, then it'll return the CDN url
+	Upload bool `protobuf:"varint,4,opt,name=upload,proto3" json:"upload,omitempty"`
+}
+
+func (x *GenerateRequest) Reset() {
+	*x = GenerateRequest{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_proto_avatar_proto_msgTypes[0]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *GenerateRequest) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*GenerateRequest) ProtoMessage() {}
+
+func (x *GenerateRequest) ProtoReflect() protoreflect.Message {
+	mi := &file_proto_avatar_proto_msgTypes[0]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use GenerateRequest.ProtoReflect.Descriptor instead.
+func (*GenerateRequest) Descriptor() ([]byte, []int) {
+	return file_proto_avatar_proto_rawDescGZIP(), []int{0}
+}
+
+func (x *GenerateRequest) GetGender() string {
+	if x != nil {
+		return x.Gender
+	}
+	return ""
+}
+
+func (x *GenerateRequest) GetUsername() string {
+	if x != nil {
+		return x.Username
+	}
+	return ""
+}
+
+func (x *GenerateRequest) GetFormat() string {
+	if x != nil {
+		return x.Format
+	}
+	return ""
+}
+
+func (x *GenerateRequest) GetUpload() bool {
+	if x != nil {
+		return x.Upload
+	}
+	return false
+}
+
+type GenerateResponse struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	// Micro's CDN url of the avatar image
+	Url string `protobuf:"bytes,1,opt,name=url,proto3" json:"url,omitempty"`
+	// base64encode string of the avatar image
+	Base64 string `protobuf:"bytes,2,opt,name=base64,proto3" json:"base64,omitempty"`
+}
+
+func (x *GenerateResponse) Reset() {
+	*x = GenerateResponse{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_proto_avatar_proto_msgTypes[1]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *GenerateResponse) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*GenerateResponse) ProtoMessage() {}
+
+func (x *GenerateResponse) ProtoReflect() protoreflect.Message {
+	mi := &file_proto_avatar_proto_msgTypes[1]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use GenerateResponse.ProtoReflect.Descriptor instead.
+func (*GenerateResponse) Descriptor() ([]byte, []int) {
+	return file_proto_avatar_proto_rawDescGZIP(), []int{1}
+}
+
+func (x *GenerateResponse) GetUrl() string {
+	if x != nil {
+		return x.Url
+	}
+	return ""
+}
+
+func (x *GenerateResponse) GetBase64() string {
+	if x != nil {
+		return x.Base64
+	}
+	return ""
+}
+
+var File_proto_avatar_proto protoreflect.FileDescriptor
+
+var file_proto_avatar_proto_rawDesc = []byte{
+	0x0a, 0x12, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x2f, 0x61, 0x76, 0x61, 0x74, 0x61, 0x72, 0x2e, 0x70,
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+	0x1a, 0x18, 0x2e, 0x61, 0x76, 0x61, 0x74, 0x61, 0x72, 0x2e, 0x47, 0x65, 0x6e, 0x65, 0x72, 0x61,
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+	0x70, 0x72, 0x6f, 0x74, 0x6f, 0x33,
+}
+
+var (
+	file_proto_avatar_proto_rawDescOnce sync.Once
+	file_proto_avatar_proto_rawDescData = file_proto_avatar_proto_rawDesc
+)
+
+func file_proto_avatar_proto_rawDescGZIP() []byte {
+	file_proto_avatar_proto_rawDescOnce.Do(func() {
+		file_proto_avatar_proto_rawDescData = protoimpl.X.CompressGZIP(file_proto_avatar_proto_rawDescData)
+	})
+	return file_proto_avatar_proto_rawDescData
+}
+
+var file_proto_avatar_proto_msgTypes = make([]protoimpl.MessageInfo, 2)
+var file_proto_avatar_proto_goTypes = []interface{}{
+	(*GenerateRequest)(nil),  // 0: avatar.GenerateRequest
+	(*GenerateResponse)(nil), // 1: avatar.GenerateResponse
+}
+var file_proto_avatar_proto_depIdxs = []int32{
+	0, // 0: avatar.Avatar.Generate:input_type -> avatar.GenerateRequest
+	1, // 1: avatar.Avatar.Generate:output_type -> avatar.GenerateResponse
+	1, // [1:2] is the sub-list for method output_type
+	0, // [0:1] is the sub-list for method input_type
+	0, // [0:0] is the sub-list for extension type_name
+	0, // [0:0] is the sub-list for extension extendee
+	0, // [0:0] is the sub-list for field type_name
+}
+
+func init() { file_proto_avatar_proto_init() }
+func file_proto_avatar_proto_init() {
+	if File_proto_avatar_proto != nil {
+		return
+	}
+	if !protoimpl.UnsafeEnabled {
+		file_proto_avatar_proto_msgTypes[0].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*GenerateRequest); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_proto_avatar_proto_msgTypes[1].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*GenerateResponse); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+	}
+	type x struct{}
+	out := protoimpl.TypeBuilder{
+		File: protoimpl.DescBuilder{
+			GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
+			RawDescriptor: file_proto_avatar_proto_rawDesc,
+			NumEnums:      0,
+			NumMessages:   2,
+			NumExtensions: 0,
+			NumServices:   1,
+		},
+		GoTypes:           file_proto_avatar_proto_goTypes,
+		DependencyIndexes: file_proto_avatar_proto_depIdxs,
+		MessageInfos:      file_proto_avatar_proto_msgTypes,
+	}.Build()
+	File_proto_avatar_proto = out.File
+	file_proto_avatar_proto_rawDesc = nil
+	file_proto_avatar_proto_goTypes = nil
+	file_proto_avatar_proto_depIdxs = nil
+}

avatar/proto/avatar.pb.micro.go

@@ -0,0 +1,93 @@
+// Code generated by protoc-gen-micro. DO NOT EDIT.
+// source: proto/avatar.proto
+
+package avatar
+
+import (
+	fmt "fmt"
+	proto "github.com/golang/protobuf/proto"
+	math "math"
+)
+
+import (
+	context "context"
+	api "github.com/micro/micro/v3/service/api"
+	client "github.com/micro/micro/v3/service/client"
+	server "github.com/micro/micro/v3/service/server"
+)
+
+// Reference imports to suppress errors if they are not otherwise used.
+var _ = proto.Marshal
+var _ = fmt.Errorf
+var _ = math.Inf
+
+// This is a compile-time assertion to ensure that this generated file
+// is compatible with the proto package it is being compiled against.
+// A compilation error at this line likely means your copy of the
+// proto package needs to be updated.
+const _ = proto.ProtoPackageIsVersion3 // please upgrade the proto package
+
+// Reference imports to suppress errors if they are not otherwise used.
+var _ api.Endpoint
+var _ context.Context
+var _ client.Option
+var _ server.Option
+
+// Api Endpoints for Avatar service
+
+func NewAvatarEndpoints() []*api.Endpoint {
+	return []*api.Endpoint{}
+}
+
+// Client API for Avatar service
+
+type AvatarService interface {
+	Generate(ctx context.Context, in *GenerateRequest, opts ...client.CallOption) (*GenerateResponse, error)
+}
+
+type avatarService struct {
+	c    client.Client
+	name string
+}
+
+func NewAvatarService(name string, c client.Client) AvatarService {
+	return &avatarService{
+		c:    c,
+		name: name,
+	}
+}
+
+func (c *avatarService) Generate(ctx context.Context, in *GenerateRequest, opts ...client.CallOption) (*GenerateResponse, error) {
+	req := c.c.NewRequest(c.name, "Avatar.Generate", in)
+	out := new(GenerateResponse)
+	err := c.c.Call(ctx, req, out, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+// Server API for Avatar service
+
+type AvatarHandler interface {
+	Generate(context.Context, *GenerateRequest, *GenerateResponse) error
+}
+
+func RegisterAvatarHandler(s server.Server, hdlr AvatarHandler, opts ...server.HandlerOption) error {
+	type avatar interface {
+		Generate(ctx context.Context, in *GenerateRequest, out *GenerateResponse) error
+	}
+	type Avatar struct {
+		avatar
+	}
+	h := &avatarHandler{hdlr}
+	return s.Handle(s.NewHandler(&Avatar{h}, opts...))
+}
+
+type avatarHandler struct {
+	AvatarHandler
+}
+
+func (h *avatarHandler) Generate(ctx context.Context, in *GenerateRequest, out *GenerateResponse) error {
+	return h.AvatarHandler.Generate(ctx, in, out)
+}

avatar/proto/avatar.proto

@@ -0,0 +1,30 @@
+syntax = "proto3";
+
+package avatar;
+
+option go_package = "./proto;avatar";
+
+service Avatar {
+  rpc Generate(GenerateRequest) returns (GenerateResponse) {}
+}
+
+message GenerateRequest {
+  // avatar's gender, `male` or `female`, default is `male`
+  string gender = 1;
+  // avatar's username, unique username will generates the unique avatar;
+  // if username == "", will generate a random avatar in every request
+  // if upload == true, username will be used as CDN filename rather than a random uuid string
+  string username = 2;
+  // encode format of avatar image, `png` or `jpeg`, default is `jpeg`
+  string format = 3;
+  // if upload to m3o CDN, default is `false`
+  // if update = true, then it'll return the CDN url
+  bool upload = 4;
+}
+
+message GenerateResponse {
+  // Micro's CDN url of the avatar image
+  string url = 1;
+  // base64encode string of the avatar image
+  string base64 = 2;
+}

avatar/publicapi.json

@@ -0,0 +1,6 @@
+{
+  "name": "avatar",
+  "icon": "🤳🏻",
+  "category": "for fun",
+  "display_name": "Avatar"
+}

go.mod

@@ -34,6 +34,7 @@ require (
 	github.com/micro/micro/v3 v3.8.0
 	github.com/miekg/dns v1.1.31 // indirect
 	github.com/minio/minio-go/v7 v7.0.16
+	github.com/o1egl/govatar v0.3.0
 	github.com/onsi/gomega v1.10.5
 	github.com/oschwald/geoip2-golang v1.5.0
 	github.com/patrickmn/go-cache v2.1.0+incompatible
@@ -58,7 +59,6 @@ require (
 	golang.org/x/oauth2 v0.0.0-20211005180243-6b3c2da341f1
 	golang.org/x/text v0.3.6
 	google.golang.org/api v0.59.0
-	google.golang.org/genproto v0.0.0-20211008145708-270636b82663 // indirect
 	google.golang.org/grpc/examples v0.0.0-20211103202053-3b94303f3754 // indirect
 	google.golang.org/protobuf v1.27.1
 	googlemaps.github.io/maps v1.3.1

go.sum

@@ -525,6 +525,8 @@ github.com/nrdcg/goinwx v0.6.1/go.mod h1:XPiut7enlbEdntAqalBIqcYcTEVhpv/dKWgDCX2
 github.com/nrdcg/namesilo v0.2.1/go.mod h1:lwMvfQTyYq+BbjJd30ylEG4GPSS6PII0Tia4rRpRiyw=
 github.com/nxadm/tail v1.4.4 h1:DQuhQpB1tVlglWS2hLQ5OV6B5r8aGxSrPc5Qo6uTN78=
 github.com/nxadm/tail v1.4.4/go.mod h1:kenIhsEOeOJmVchQTgglprH7qJGnHDVpk1VPCcaMI8A=
+github.com/o1egl/govatar v0.3.0 h1:hGDsiJJs6qgQ6Ea4JiaukRsUKTY2Ai4dgMEdsYvlUa0=
+github.com/o1egl/govatar v0.3.0/go.mod h1:YeDGDII+2Ji1RcBKvb1KqaPhk4PmuZyBq+rPYc6b+cQ=
 github.com/olekukonko/tablewriter v0.0.1/go.mod h1:vsDQFd/mU46D+Z4whnwzcISnGGzXWMclvtLoiIKAKIo=
 github.com/olekukonko/tablewriter v0.0.3/go.mod h1:YZeBtGzYYEsCHp2LST/u/0NDwGkRoBtmn1cIWCJiS6M=
 github.com/olekukonko/tablewriter v0.0.4/go.mod h1:zq6QwlOf5SlnkVbMSr5EoBv3636FWnp+qbPhuoO21uA=
@@ -661,6 +663,7 @@ github.com/uber/jaeger-client-go v2.29.1+incompatible h1:R9ec3zO3sGpzs0abd43Y+fB
 github.com/uber/jaeger-client-go v2.29.1+incompatible/go.mod h1:WVhlPFC8FDjOFMMWRy2pZqQJSXxYSwNYOkTr/Z6d3Kk=
 github.com/uber/jaeger-lib v2.4.1+incompatible h1:td4jdvLcExb4cBISKIpHuGoVXh+dVKhn2Um6rjCsSsg=
 github.com/uber/jaeger-lib v2.4.1+incompatible/go.mod h1:ComeNDZlWwrWnDv8aPp0Ba6+uUTzImX/AauajbLI56U=
+github.com/urfave/cli v1.21.0/go.mod h1:lxDj6qX9Q6lWQxIrbrT0nwecwUtRnhVZAJjJZrVUZZQ=
 github.com/urfave/cli v1.22.1/go.mod h1:Gos4lmkARVdJ6EkW0WaNv/tZAAMe9V7XWyB60NtXRu0=
 github.com/urfave/cli v1.22.2 h1:gsqYFH8bb9ekPA12kRo0hfjngWQjkJPlN9R0N78BoUo=
 github.com/urfave/cli v1.22.2/go.mod h1:Gos4lmkARVdJ6EkW0WaNv/tZAAMe9V7XWyB60NtXRu0=

rss/examples.json

@@ -1,6 +1,6 @@
-
 {
-    "add": [{
+    "add": [
+        {
             "title": "Add a new feed",
             "description": "Add a new rss feed to the crawler",
             "run_check": true,
@@ -10,8 +10,10 @@
                 "category": "news"
             },
             "response": {}
-    }],
-    "feed": [{
+        }
+    ],
+    "feed": [
+        {
             "title": "Read a feed",
             "description": "Read an rss feed by name",
             "run_check": true,
@@ -38,8 +40,10 @@
                     }
                 ]
             }
-    }],
-    "list": [{
+        }
+    ],
+    "list": [
+        {
             "title": "List rss feeds",
             "description": "List the saved rss feeds",
             "run_check": true,
@@ -54,8 +58,10 @@
                     }
                 ]
             }
-    }],
-    "remove": [{
+        }
+    ],
+    "remove": [
+        {
             "title": "Remove a feed",
             "description": "Remove an rss feed from the crawler",
             "run_check": true,
@@ -63,5 +69,6 @@
                 "name": "bbc"
             },
             "response": {}
-    }]
+        }
+    ]
 }